How to Repair a Bifold Door Top Pivot The top pivot may be loosened and scrape the floor. This can be corrected by loosening the set screw on the top bracket. The pivot pin on the top is a screw made from metal that fits into a plastic cap that https://bi-folding-door-repair04721.liberty-blog.com/30803200/watch-this-how-bi-fold-door-repairs-is-taking-over-and-how-to-respond